Meet Our Experts
CATF’s powerful team of scientists, engineers, MBAs, policy experts, lawyers, and communication experts are spread around the globe. We’re nimble, strategic, and virtual with a perpetual start-up mindset that allows us to stay ahead, disrupt, and lead.
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Asa Ackerly
Manager Foundational Giving -
Michael Adu Okyere
Regional Policy Manager -
Sara Albares Martin
Regional Manager, Europe -
Ashley Arax
Senior California Policy Manager -
Sam Bailey
Industrial Decarbonization Manager -
Katie Bailey
Individual Giving Manager -
Jonathan Banks
Global Director, Methane Pollution Prevention -
Bonnie Barcellos
Director, Total Rewards, Human Resources, U.S. -
Erin Barry
Paralegal/Legal Assistant -
Sam Bowers
U.S. Policy Manager, Carbon Capture -
Christine Butler
Senior Staff Accountant -
John Carlson
Senior Northeast Regional Policy Manager -
Alex Carr
Deputy Director Europe, Hydrogen -
Armond Cohen
Executive Director -
Philip Cohen
Director, Hydrogen - Europe -
Lindsay Cooper Phillips
Senior Gulf Coast Regional Policy Manager -
Harlan Cutshall
Director, Foundation Giving -
Mohammed Dahiru Aminu
Africa Policy Manager, Methane Pollution Prevention -
Prudence Dato
Lead Energy Economist -
Jazzmyn Davenport
Senior Associate, Communications & Marketing -
Michael Dioha
Senior Energy Researcher -
Felicia Douglas
Senior Program Manager, Methane Pollution Prevention -
Gopal Duleep
Senior Transportation Fellow -
Nathalie Emaille-Léotard
Chief of People -
Kathy Fallon
Director, Land Systems Program -
Lesley Feldman
Director, Research and Analysis -
Fernanda Ferreira
Director, Agriculture Methane -
Danielle Fidler
Senior Attorney -
Samantha Firth
Senior Associate, Digital and Design, Communications and Marketing -
Paula García Holley
Latin America Policy Manager, Methane Pollution Prevention -
Ann Garth
Senior Geothermal Associate, Superhot Rock Geothermal -
Isabel Garzón
Waste Manager, Methane Pollution Prevention -
Bobby Giles
Human Resources Generalist -
Shaun Goho
Legal Director -
Sehila Gonzalez de Vicente
Global Director, Fusion Energy -
John Graham
Senior Scientist -
Ben Grove
Deputy Director, Carbon Management -
Theresa Gustafson
Director, Operations -
Hayden Hashimoto
Attorney -
Stephanie Herbstritt
Senior Bioenergy Manager -
Wibke Heymach
Senior Midwest Regional Policy Manager -
Bruce Hill
Chief Geoscientist Emeritus -
Jenna Hill
Superhot Rock Geothermal Innovation Manager -
Chris Horn
IT Manager -
Vincent Hu
IT Director -
Théophile Humann-Guilleminot
Senior Campaign Manager, Methane Pollution Prevention -
Kara Hunt
Director, Digital and Design, Communications and Marketing -
Victor Ibarra
Senior Manager, Nuclear Energy -
Zoe Jee
Program and Policy Associate, Land Systems -
Viola Jobita
Program Manager, Methane Pollution Prevention -
Ashley Korn
Chief of Staff, Organizational Growth and Change -
Nick Kotsovolos
Director, Financial Planning and Analysis -
Bartłomiej Kupiec
Policy Advisor, Central and Eastern Europe -
Tamara Lagurashvili
Director, Central and Eastern Europe -
Jonathan Lewis
Director of Transportation Decarbonization -
Brandon Locke
Senior Europe Policy Manager, Methane Pollution Prevention -
Toby Lockwood
Technology and Markets Director, Carbon Capture -
Mary Louks
Director, Events and Engagement -
Kristi Macklin
Chief of Finance and Operations -
Natalie Manitius
Senior Associate, Clean Energy Infrastructure -
Alan Masinter
Attorney -
David McCabe
Senior Scientist -
Alfredo Miranda-González
Deputy Director, International Methane -
Cheryl Mossman
Director, Accounting -
Brian Mukhaya
Program Manager, Energy and Climate Innovation, Africa -
Alejandra Muñoz Castañer
Senior Government Affairs Manager, Europe -
Linh Nguyen
Research Associate, Methane Pollution Prevention -
Lily Odarno
Regional Director, Africa -
Amy Ouyang
U.S. Associate, Hydrogen -
Heny Patel
Senior Program Analyst, Methane Pollution Prevention -
Amy Patrickson
Senior Project Manager, Nuclear Scaling Initiative -
Nicole Pavia
Director, Clean Energy Infrastructure -
Lindsey Popken
Program Implementation Manager, Nuclear Energy Program -
Maja Pozvek
Government Affairs Manager, Europe -
Malwina Qvist
Director, Nuclear Energy Program -
Holly Reuter
Climate and Clean Energy Policy Implementation Director -
Steve Reyes
Communications and Marketing Manager -
Terra Rogers
Program Director, Superhot Rock Geothermal -
Codie Rossi
Europe Policy Manager, Carbon Capture -
Felicia A. Ruiz
Director, Coal Mine Methane and Strategic Partnerships -
Reece Rushing
U.S. Federal Policy Director -
Samantha Sadowski
Senior Communications Manager, U.S. Policy -
Veronica Saltzman
Attorney -
Rebecca Sanders-DeMott
Director, Ecosystem Carbon Science -
Mary Sasso
Associate Attorney -
Conrad Schneider
Senior Director, U.S. -
Darin Schroeder
Methane Legal and Regulatory Director -
Angela Seligman
Senior Geoscientist -
Troy Shaheen
Global Director, Communications & Marketing -
Roland Shay
Purchasing Analyst -
Eliza Sheff
Program Manager, Hydrogen and Carbon Capture -
Kait Siegel
Director, Waste Methane -
Kasparas Spokas
Director, Electricity Program -
Rachel Starr
Senior U.S. Policy Manager, Hydrogen & Transportation -
John Steelman
Deputy Director, Transportation Decarbonization -
Autumn Stover-Bailey
Senior Associate, Development Operations -
Frank Sturges
Attorney -
Jeremy Tarr
U.S. State Policy Director -
John Thompson
Technology and Markets Director -
Rebecca Tremain
Director of UK Policy -
James Turitto
Director, Oil and Gas Methane, Methane Pollution Prevention -
Zitely Tzompa Sosa
Research Manager, Methane Pollution Prevention -
Darryle Ulama
Senior Technology and Infrastructure Manager, Carbon Capture -
Alessia Virone
Government Affairs Director, Europe -
Sara Vogel
Senior Analyst, Financial Planning & Analysis -
Natalie Volk
Communications and Marketing Manager -
Adam Wagner
Director, Individual Giving -
Ghassan Wakim
Technology Director, Hydrogen -
Thomas Walker
Senior Manager, Transportation Technology -
Ann Weeks
Counsel -
Dan West
Senior Western Regional Policy Manager -
Patrick White
Group Lead, Fusion Energy Safety and Regulation -
Nataley Williams
Project Coordinator, U.S. Policy and Advocacy -
Jess Wymer
Senior Implementation Policy Manager -
David Yellen
Director, Climate Policy Innovation
